From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A2B525742E; Thu, 17 Apr 2025 18:04:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744913086; cv=none; b=kM+Kh4LUhb6KnY7D6/y8UhkmitEEymaSJWHUSn049/Wu3kA0dpxr7pXid2nJyJktbV4kljPS18IUsJpyyIzWFJv0CHGHTvdcoAO5PaLUMAWyhgLeGNXQcKFQJ7rGzf7DZkECLNzCjyaULdP5dKy4dm7BFiGp28SUhJeSpN5ioJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744913086; c=relaxed/simple; bh=vD7Gkv5EOvhTgXX1LFgHUGc9E3HgFdVk2IL71MTZO4M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ggMao/QLAjtWUCpor5wGt9knGiKm0rOt70Kvbavf6Kid+aHZgV11L1GT6sro6Hdvb6Ykvdn3n76MH7swJCtrfP0q7Nh2xaizwn4v5U4G/PoWbaJI4sIJXIknmjs6sx/ETg1Ice/8eRs3Tf8bCkhsKmYL5nDHT6Ia66jgWxyXNN4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DsniFzqD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DsniFzqD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D00FAC4CEE4; Thu, 17 Apr 2025 18:04:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744913086; bh=vD7Gkv5EOvhTgXX1LFgHUGc9E3HgFdVk2IL71MTZO4M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DsniFzqDUzOJI2HUlsJq6rxuzOj35d6tHaApNfguTqYscYhH5kLZ0VORjGe0yQQWc n99WohGRE2+x2gPIfc75mJyK6qPsBbCGXjo7Rx1Wop1QzquEqENu9Pjd4AkiuK9rML /TrlhABLU7TT87hPaT37+5JDaYX5JfUPkM8FD8Z0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Martin=20T=C5=AFma?= , Hans Verkuil Subject: [PATCH 6.14 222/449] media: mgb4: Fix CMT registers update logic Date: Thu, 17 Apr 2025 19:48:30 +0200 Message-ID: <20250417175126.907334328@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250417175117.964400335@linuxfoundation.org> References: <20250417175117.964400335@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin Tůma commit dd05443189f9ae175dd806594b67bf55ddb6539e upstream. The CMT "magic values" registers must be updated while the CMT reset registers are active. Fixes: 0ab13674a9bd ("media: pci: mgb4: Added Digiteq Automotive MGB4 driver") Cc: stable@vger.kernel.org Signed-off-by: Martin Tůma Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/pci/mgb4/mgb4_cmt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/media/pci/mgb4/mgb4_cmt.c +++ b/drivers/media/pci/mgb4/mgb4_cmt.c @@ -206,10 +206,11 @@ u32 mgb4_cmt_set_vout_freq(struct mgb4_v mgb4_write_reg(video, regs->config, 0x1 | (config & ~0x3)); + mgb4_mask_reg(video, regs->config, 0x100, 0x100); + for (i = 0; i < ARRAY_SIZE(cmt_addrs_out[0]); i++) mgb4_write_reg(&voutdev->mgbdev->cmt, addr[i], reg_set[i]); - mgb4_mask_reg(video, regs->config, 0x100, 0x100); mgb4_mask_reg(video, regs->config, 0x100, 0x0); mgb4_write_reg(video, regs->config, config & ~0x1); @@ -236,10 +237,11 @@ void mgb4_cmt_set_vin_freq_range(struct mgb4_write_reg(video, regs->config, 0x1 | (config & ~0x3)); + mgb4_mask_reg(video, regs->config, 0x1000, 0x1000); + for (i = 0; i < ARRAY_SIZE(cmt_addrs_in[0]); i++) mgb4_write_reg(&vindev->mgbdev->cmt, addr[i], reg_set[i]); - mgb4_mask_reg(video, regs->config, 0x1000, 0x1000); mgb4_mask_reg(video, regs->config, 0x1000, 0x0); mgb4_write_reg(video, regs->config, config & ~0x1);